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感測與信號調節技術

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智慧感測和信號調節技術對於確保系統良好運行至關重要。準確地監測電壓、電流和溫度等關鍵參數,可以讓系統妥當應對可能造成損害的事件。

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相關產品

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Featured Products WPN Description
Digital and Optical Isolation NCID9XXX High Speed Digital Isolator
FODXXXX Logic Output Optocoupler
Op-Amp and Comparator (Voltage Sense) NCS2333 Precision Operational Amplifier, Low Power, Zero-Drift, 30 µV Offset
NCS4333 Operational Amplifier, 30 µV Offset, 0.07 µV/°C, Low Power, Zero-Drift
NCS333 Low Power, Zero-Drift Operational Amplifier with 10 µV Offset
NCS21911/2/4 Precision Operational Amplifier, 2 MHz Bandwidth, Low Noise, Zero-Drift, 25 µV Offset
NCS2250 Comparator, High Speed, 50 ns, Low Voltage, Rail-to-Rail, Push-Pull
ADC NCD98010 12-Bit Low Power SAR ADC Unsigned Output
Current Sense Amplifier NCS211R Current Sense Amplifier, 26V, Low-/High-Side Voltage Out, Bidirectional Current Shunt Monitor
NCS214R Current Sense Amplifier, 26V, Low-/High-Side Voltage Out, Bidirectional Current Shunt Monitor
Temperature Sense CAT34TS00VP2GT4 1.8 V Digital Temperature Sensor
N34TS04MT3ETG EEPROM Digital Output Temperature Sensor with On-board SPD
Voltage Reference TL431 Voltage Reference, Programmable Precision, Shunt Regulator

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不同隔離技術的對比

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屬性 光耦合器 晶片內磁性 晶片內電容性 Digi-Max™ 晶片外電容性
隔離材料 環氧/矽膠 聚醯亞胺 SiO2 或等效物 陶瓷基板/環氧樹脂
信號耦合 光學(LED+二極體) 磁場 電場 電場
不同溫度和時間的效能 不同 穩定 穩定 穩定
壽命 10年以上 20年以上 20年以上 20年以上
速度 小於25MBit/s 100MBit/s以上 100MBit/s以上 50MBit/s
隔離層厚度 (DTI) 大於400µm 約20µm 約20µm 大於500 µm
符合EN60950 的DTI 大於0.4mm要求
共模瞬態抗干擾能力 (CMTI) 約25kV/µs 大於100kV/µs 大於100kV/µs 大於100kV/µs
EMI-敏感性 無問題-太慢 設計技術 信號電平依賴 信號電平依賴
EMC-輻射 無問題(光傳輸) 設計技術 設計技術 設計技術
結溫 高達125°C 寬範圍 (150°C) 寬範圍 (150°C) 寬範圍 (150°C)
標準 UL1577 UL1577 UL1577 UL1577
IEC60747-5-5 VDE0884-17 VDE0884-17 VDE0884-17
內部信號傳輸的調製方法 無需調製 開關鍵控 開關鍵控 開關鍵控

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